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6fa02541 JH |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #ifndef SIGVIEW_H | |
22 | #define SIGVIEW_H | |
23 | ||
d7002724 JH |
24 | #include <QtOpenGL/QGLWidget> |
25 | #include <QTimer> | |
6fa02541 | 26 | |
e9c41f8c | 27 | class QPainter; |
3e46726a | 28 | class QPaintEvent; |
009e1503 JH |
29 | class SigSession; |
30 | ||
d7002724 | 31 | class SigView : public QGLWidget |
6fa02541 JH |
32 | { |
33 | Q_OBJECT | |
e3f65ace JH |
34 | |
35 | private: | |
7ae27594 JH |
36 | static const double MaxScale; |
37 | static const double MinScale; | |
38 | ||
e3f65ace | 39 | static const int SignalHeight; |
3e46726a | 40 | static const int LabelMarginWidth; |
e9c41f8c JH |
41 | static const int RulerHeight; |
42 | ||
438440ea | 43 | static const int MinorTickSubdivision; |
e9c41f8c | 44 | static const int ScaleUnits[3]; |
e3f65ace | 45 | |
22016ad3 JH |
46 | static const QString SIPrefixes[9]; |
47 | static const int FirstSIPrefixPower; | |
48 | ||
6fa02541 | 49 | public: |
009e1503 | 50 | explicit SigView(SigSession &session, QWidget *parent = 0); |
d7002724 | 51 | |
a429590b JH |
52 | void zoom(double steps); |
53 | ||
d7002724 JH |
54 | protected: |
55 | ||
56 | void initializeGL(); | |
57 | ||
58 | void resizeGL(int width, int height); | |
59 | ||
3e46726a | 60 | void paintEvent(QPaintEvent *event); |
d7002724 | 61 | |
7cd5faf8 | 62 | private: |
7cd5faf8 | 63 | void mousePressEvent(QMouseEvent *event); |
1dd95c70 | 64 | void mouseMoveEvent(QMouseEvent *event); |
7cd5faf8 | 65 | void mouseReleaseEvent(QMouseEvent *event); |
1dd95c70 | 66 | void wheelEvent(QWheelEvent *event); |
7cd5faf8 | 67 | |
3e46726a | 68 | private: |
04abfae9 | 69 | void setup_viewport(int width, int height); |
3e46726a | 70 | |
04abfae9 | 71 | void paint_ruler(QPainter &p); |
e9c41f8c | 72 | |
a429590b JH |
73 | void zoom(double steps, int offset); |
74 | ||
009e1503 | 75 | private slots: |
04abfae9 | 76 | void data_updated(); |
009e1503 JH |
77 | |
78 | private: | |
79 | SigSession &_session; | |
3b18c57d | 80 | |
fb0d32cb JH |
81 | double _scale; |
82 | double _offset; | |
1dd95c70 JH |
83 | |
84 | QPoint _mouse_down_point; | |
85 | double _mouse_down_offset; | |
6fa02541 JH |
86 | }; |
87 | ||
88 | #endif // SIGVIEW_H |